#app {
  background-color: #f90;
  border: 1px solid #000;
}

nav {
  width: 100px;
  color: #F90;
  background-color: black;
}

#content {
  color: red;
}

#content article h1 {
  color: #1dc08a;
}

#content article p {
  font-style: italic;
}

#content article p a {
  color: blue;
}

#content article p a:hover {
  color: pink;
}

#content aside {
  background-color: #f90;
}
